Chint NXR series thermal overload relay
Scope of application:
NXR series thermal overload relay (hereinafter referred to as thermal relay) is suitable for AC motor overload and phase break protection with AC 50Hz/60Hz, voltage to 690V, setting current 0.1~630A for long-term work or intermittent work.
Thermal relay also has temperature compensation, action indication, automatic and manual reset, stop and test and other functions, product performance is stable and reliable. The thermal relay can be plugged into the contactor or installed independently.
Standards :G/TB 14048.4/IEC 60947-4-1, GB/T14048.5/IEC 60947-5-1.
Structural features:
- Three-phase bimetallic disc type, or electronic type (NXR-200, NXR-630), trip level 10A
- With phase break protection
- With setting current continuous adjustable device
- With temperature compensation
- With action instructions
- With testing institutions
- With a stop button
- Manual and automatic reset buttons (NXR-200, NXR-630 manual reset only)
- An electrically separable normally open and a normally closed contact
- Installation method: Insert with contactor (NXR-12, 25, 38, 100) or independent installation (NXR-200, 630)
|
Type |
Setting current Range (A) |
Matching contactor |
|
NXR-25 |
0.1-0.16A |
NXC06-38 |
|
0.16-0.25A |
||
|
0.25-0.4A |
||
|
0.4-0.63A |
||
|
0.63-1A |
||
|
1-1.6A |
||
|
1.25-2A |
||
|
1.6-2.5A |
||
|
2.5-4A |
||
|
4-6A |
||
|
5.5-8A |
||
|
7-10A |
||
|
9-13A |
||
|
12-18A |
||
|
17-25A |
||
|
NXR-38 |
23-32A |
NXC25-38 |
|
30-38A |
||
|
NXR-100 |
23-32A |
NXC40-100 |
|
30-40A |
||
|
37-50A |
||
|
48-65A |
||
|
55-70A |
||
|
63-80A |
||
|
80-93A |
||
|
80-100A |
||
|
NXR-200 |
80-160A |
NXC120-225 |
|
100-200A |
||
|
NXR-630 |
125-250A |
NXC225-630 |
|
200-400A |
||
|
315-630A |
Structural features:
- Three-phase bimetallic disc type, or electronic type (NXR-200, NXR-630), trip level 10A
- With phase break protection
- With setting current continuous adjustable device
- With temperature compensation
- With action instructions
- With testing institutions
- With a stop button
- Manual and automatic reset buttons (NXR-200, NXR-630 manual reset only)
- An electrically separable normally open and a normally closed contact
- Installation method: Insert with contactor (NXR-12, 25, 38, 100) or independent installation (NXR-200, 630)
|
Type |
Setting current Range (A) |
Matching contactor |
|
NXR-25 |
0.1-0.16A |
NXC06-38 |
|
0.16-0.25A |
||
|
0.25-0.4A |
||
|
0.4-0.63A |
||
|
0.63-1A |
||
|
1-1.6A |
||
|
1.25-2A |
||
|
1.6-2.5A |
||
|
2.5-4A |
||
|
4-6A |
||
|
5.5-8A |
||
|
7-10A |
||
|
9-13A |
||
|
12-18A |
||
|
17-25A |
||
|
NXR-38 |
23-32A |
NXC25-38 |
|
30-38A |
||
|
NXR-100 |
23-32A |
NXC40-100 |
|
30-40A |
||
|
37-50A |
||
|
48-65A |
||
|
55-70A |
||
|
63-80A |
||
|
80-93A |
||
|
80-100A |
||
|
NXR-200 |
80-160A |
NXC120-225 |
|
100-200A |
||
|
NXR-630 |
125-250A |
NXC225-630 |
|
200-400A |
||
|
315-630A |






